:root {
  --bg: #f5f8ff;
  --bg-soft: #eef4ff;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-deep: #0b1428;
  --text: #0b1428;
  --text-soft: #51607b;
  --line: rgba(11, 20, 40, 0.1);
  --line-strong: rgba(11, 20, 40, 0.18);
  --blue: #4da3ff;
  --blue-strong: #2b63ff;
  --blue-soft: #eaf2ff;
  --accent: #7ec0ff;
  --shadow: 0 24px 80px rgba(34, 74, 143, 0.13);
  --shadow-soft: 0 18px 36px rgba(11, 20, 40, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: min(1180px, calc(100vw - 40px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(77, 163, 255, 0.18), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(126, 192, 255, 0.2), transparent 26%),
    linear-gradient(180deg, #f8fbff 0%, #f3f7ff 38%, #edf3ff 100%);
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
li {
  font-size: 1rem;
  line-height: 1.7;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.ambient {
  position: absolute;
  inset: auto;
  border-radius: 999px;
  filter: blur(16px);
  pointer-events: none;
}

.ambient-left {
  top: 120px;
  left: -120px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(77, 163, 255, 0.28), transparent 70%);
}

.ambient-right {
  top: 580px;
  right: -140px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(126, 192, 255, 0.22), transparent 72%);
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 96px 0;
}

.section-tight {
  padding-top: 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(20px);
  background: rgba(245, 248, 255, 0.72);
  border-bottom: 1px solid rgba(11, 20, 40, 0.06);
}

.header-row,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-tag {
  font-size: 0.8rem;
  color: var(--text-soft);
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  font-size: 0.95rem;
  color: var(--text-soft);
}

.site-nav a {
  transition: color 180ms ease;
}

.site-nav a:hover {
  color: var(--blue-strong);
}

.hero {
  padding-top: 72px;
  padding-bottom: 54px;
}

.hero-grid,
.split-layout,
.dual-grid,
.cta-panel,
.statement-card {
  display: grid;
  gap: 28px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-strong);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}

.eyebrow-light {
  color: rgba(255, 255, 255, 0.72);
}

h1,
h2,
h3,
.vision-quote,
.cta-strap {
  margin: 0;
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-weight: 800;
  letter-spacing: -0.045em;
}

h1 {
  max-width: 12ch;
  font-size: clamp(3rem, 6.5vw, 5.1rem);
  line-height: 0.94;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.95rem);
  line-height: 1.02;
}

h3 {
  font-size: 1.42rem;
  line-height: 1.12;
}

.lead {
  max-width: 38rem;
  margin: 28px 0 0;
  color: var(--text-soft);
  font-size: 1.13rem;
}

.lead.secondary {
  margin-top: 12px;
}

.hero-kicker {
  margin: 24px 0 0;
  font-size: 1rem;
  color: var(--text);
  font-weight: 600;
}

.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.proof-item {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(43, 99, 255, 0.14);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
}

.integration-note {
  max-width: 38rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--blue-strong), var(--blue));
  color: #ffffff;
  box-shadow: 0 16px 32px rgba(43, 99, 255, 0.24);
}

.button-secondary {
  border-color: rgba(43, 99, 255, 0.18);
  background: rgba(255, 255, 255, 0.76);
  color: var(--text);
}

.button-wide {
  width: min(100%, 240px);
}

.hero-visual {
  position: relative;
  min-height: 640px;
}

.hero-panel,
.statement-card,
.panel,
.outline-card,
.capability-card,
.cta-panel {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.panel-main {
  position: relative;
  z-index: 2;
  padding: 28px;
  border-radius: var(--radius-xl);
}

.panel-header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.panel-chip,
.stat-badge,
.roadmap-phase {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(11, 20, 40, 0.1);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text-soft);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.panel-chip-blue,
.roadmap-phase {
  background: var(--blue-soft);
  color: var(--blue-strong);
  border-color: rgba(43, 99, 255, 0.14);
}

.flow-stack {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.flow-card {
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 20, 40, 0.08);
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.flow-card strong,
.signal-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.12rem;
  line-height: 1.3;
}

.flow-label,
.signal-title {
  color: var(--blue-strong);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.flow-card p,
.signal-card p,
.section-heading p,
.statement-card p,
.problem-card p,
.panel p,
.roadmap-step p,
.cta-copy p {
  margin: 10px 0 0;
  color: var(--text-soft);
}

.signal-card {
  position: absolute;
  z-index: 1;
  width: min(280px, 75%);
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(77, 163, 255, 0.16);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-soft);
}

.signal-card-top {
  top: 56px;
  right: -10px;
}

.signal-card-bottom {
  bottom: 48px;
  left: -18px;
}

.statement-card {
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  align-items: center;
  padding: 32px;
  border-radius: var(--radius-xl);
}

.statement-copy h2 {
  max-width: 18ch;
}

.proof-demo-card {
  display: grid;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(43, 99, 255, 0.12);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
}

.proof-demo-top,
.proof-metric-row,
.trace-list {
  display: grid;
  gap: 12px;
}

.proof-metric-row,
.trace-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.proof-label {
  display: block;
  margin-bottom: 6px;
  color: var(--blue-strong);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.trace-item,
.hygiene-alert,
.proof-metric-row > div {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(11, 20, 40, 0.08);
  background: rgba(255, 255, 255, 0.84);
}

.hygiene-alert {
  background: linear-gradient(135deg, rgba(234, 242, 255, 0.82), rgba(255, 255, 255, 0.94));
}

.hygiene-alert p {
  margin: 8px 0 0;
}

.signal-list,
.feature-list,
.principle-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.signal-list {
  display: grid;
  gap: 12px;
}

.signal-list li,
.principle-list li {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(11, 20, 40, 0.08);
  background: rgba(255, 255, 255, 0.82);
  font-weight: 600;
}

.split-layout {
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
}

.section-heading {
  max-width: 42rem;
}

.section-heading h2 {
  margin-top: 10px;
}

.problem-grid,
.capability-grid,
.difference-grid,
.roadmap-grid {
  display: grid;
  gap: 18px;
}

.problem-grid,
.difference-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.outline-card,
.panel,
.roadmap-step {
  border-radius: var(--radius-lg);
  padding: 24px;
}

.problem-card strong,
.outline-card h3,
.roadmap-step h3 {
  display: block;
  margin-top: 18px;
}

.capability-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.capability-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px;
  border-radius: var(--radius-xl);
}

.capability-index {
  color: var(--blue-strong);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.feature-list {
  display: grid;
  gap: 12px;
  margin-top: 2px;
}

.feature-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-soft);
}

.feature-list li::before {
  content: "";
  position: absolute;
  top: 0.8em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue-strong), var(--accent));
}

.difference-grid {
  margin-top: 28px;
}

.section-accent {
  padding-top: 80px;
  padding-bottom: 80px;
}

.vision-block {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 30px;
  padding: 44px;
  border-radius: 36px;
  background:
    radial-gradient(circle at top left, rgba(126, 192, 255, 0.2), transparent 26%),
    linear-gradient(145deg, #0b1428 0%, #162549 54%, #204c9d 100%);
  color: #ffffff;
  box-shadow: 0 30px 90px rgba(11, 20, 40, 0.26);
}

.vision-block p,
.vision-copy li {
  color: rgba(255, 255, 255, 0.78);
}

.feature-list-light li::before {
  background: #ffffff;
}

.vision-quote {
  margin-top: 24px;
  font-size: clamp(1.5rem, 2.3vw, 2.1rem);
  line-height: 1.14;
}

.dual-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.panel h2 {
  margin-top: 10px;
}

.principle-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.roadmap-shell {
  display: grid;
  gap: 28px;
}

.roadmap-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.roadmap-step {
  min-height: 100%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow-soft);
}

.section-cta {
  padding-top: 44px;
  padding-bottom: 96px;
}

.cta-panel {
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  align-items: center;
  padding: 36px;
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(234, 242, 255, 0.92)),
    linear-gradient(145deg, rgba(77, 163, 255, 0.16), transparent);
}

.cta-copy h2 {
  margin-top: 10px;
  max-width: 20ch;
}

.cta-strap {
  margin-top: 18px;
  font-size: 1.35rem;
  line-height: 1.2;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
}

.site-footer {
  border-top: 1px solid rgba(11, 20, 40, 0.08);
}

.site-footer p {
  margin: 0;
  color: var(--text-soft);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal-delay {
  transition-delay: 120ms;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero-grid,
  .split-layout,
  .statement-card,
  .vision-block,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .roadmap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-actions {
    align-items: flex-start;
  }
}

@media (max-width: 860px) {
  .site-nav {
    display: none;
  }

  .hero {
    padding-top: 44px;
  }

  .hero-visual {
    min-height: auto;
    padding-top: 110px;
  }

  .signal-card {
    position: static;
    width: 100%;
    margin-top: 16px;
  }

  .problem-grid,
  .capability-grid,
  .difference-grid,
  .dual-grid,
  .roadmap-grid,
  .proof-metric-row,
  .trace-list {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 24px 0;
  }

  .statement-card,
  .panel-main,
  .capability-card,
  .outline-card,
  .panel,
  .roadmap-step,
  .cta-panel {
    padding: 22px;
  }
}

@media (max-width: 560px) {
  :root {
    --container: calc(100vw - 24px);
  }

  .header-row,
  .footer-row {
    min-height: 72px;
  }

  h1 {
    font-size: clamp(2.7rem, 13vw, 4rem);
  }

  h2 {
    font-size: clamp(1.8rem, 9vw, 2.5rem);
  }

  .cta-row {
    flex-direction: column;
  }

  .button,
  .button-wide {
    width: 100%;
  }
}